gdk: Update gdk_settings_map for blink timeout to work

gdk_settings_map needs to be updated when gdk_settings_names is changed,
and it's easier to add the setting at the end, so we don't need to
recalculate everything.

Really fixing:
https://bugzilla.gnome.org/show_bug.cgi?id=634697

gdk/x11/gdksettings.c

@@ -51,7 +51,6 @@ static const char gdk_settings_names[] =
   "Gtk/ButtonImages\0"        "gtk-button-images\0"
   "Gtk/MenuImages\0"          "gtk-menu-images\0"
   "Gtk/MenuBarAccel\0"        "gtk-menu-bar-accel\0"
-  "Gtk/CursorBlinkTimeout\0"  "gtk-cursor-blink-timeout\0"
   "Gtk/CursorThemeName\0"     "gtk-cursor-theme-name\0"
   "Gtk/CursorThemeSize\0"     "gtk-cursor-theme-size\0"
   "Gtk/ShowInputMethodMenu\0" "gtk-show-input-method-menu\0"
@@ -74,7 +73,8 @@ static const char gdk_settings_names[] =
   "Fontconfig/Timestamp\0"    "gtk-fontconfig-timestamp\0"
   "Net/SoundThemeName\0"      "gtk-sound-theme-name\0"
   "Net/EnableInputFeedbackSounds\0" "gtk-enable-input-feedback-sounds\0"
-  "Net/EnableEventSounds\0"  "gtk-enable-event-sounds\0";
+  "Net/EnableEventSounds\0"  "gtk-enable-event-sounds\0"
+  "Gtk/CursorBlinkTimeout\0"  "gtk-cursor-blink-timeout\0";
 
 
 static const struct
@@ -125,5 +125,6 @@ static const struct
   { 1487, 1508 },
   { 1533, 1552 },
   { 1573, 1603 },
-  { 1636, 1658 }
+  { 1636, 1658 },
+  { 1682, 1705 },
 };